What software can I use to embed my calligraphy in a gray calligraphy background box?

Pocket mounter Pocket mounter is a very practical image processing software. It can help you quickly add borders to calligraphy works, art photos and so on, and can also match various scenes in reality and simulate various effects. Pocket Mounter is a kind of picture editing software, which can quickly add borders to pictures and simulate the mounting effect of real pictures. It is a mounter at your fingertips. The software is divided into normal version and advanced version.